The YG-JTDL18 portable light transmittance detector is an improved version of the VT100 (M) model based on the convenience of customer use. The biggest advantage of this type of light transmittance detector is that it does not require installation and debugging, and can be tested when powered on. The detection data is displayed in real-time on the LCD screen. Considering the harsh natural environment inside the tunnel, it is not convenient to synchronously connect to a laptop to store data. The instrument comes with its own internal memory, which can automatically save the detection data. After the detection is completed, the instrument is brought back to the laboratory and connected to a computer. The optical transmittance display software can automatically import the data saved in the internal memory of the instrument into the computer and save it in EXCEL format for customers to access and use.

2、 Main purpose:
Atmospheric light transmittance in various atmospheric environments
Visibility values of highways in various atmospheric environments
Acceptance and testing values of VI values in tunnels
3、 Technical indicators: